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Subjects
Grades
Resource Type
Common Core: Math
CCLS  Math: 1.OA.5
 Category
 Operations And Algebraic Thinking
 SubCategory
 Add And Subtract Within 20.
 State Standard:
 Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
30 Results

 Welcome to “Math Studio Talk” a video series that provides games, activities and models to help students develop flexible thinking and deep understanding of math concepts from kindergarten to Grade 5...

 Similar to Topic E’s addition methods, Topic I allows students to learn methods for subtraction which involve subtracting 0 and 1, subtracting the whole number, subtracting one less than the whole...

 Topic D affords students the opportunity to solve problems within the simplicity of equations, moving on from the context of story problems. Continuing on the momentum gained with counting on as it...

 As students move into Topic B, they gain momentum with putting together, composing and decomposing, and counting on to determine the total. Students use both concrete and pictorial situations to...

 Objective: Strategize to solve take from with change unknown problems.

 Objective: Solve add to with change unknown problems, relating varied addition and subtraction strategies.

 Objective: Solve put together/take apart with addend unknown word problems and relate counting on to the take from ten strategy.

 Objective: Compare efficiency of counting on and taking from ten.

 Objective: Relate counting on to making ten and taking from ten.

 Objective: Model n – n and n – (n – 1) pictorially and as subtraction sentences.

 Objective: Model 0 less and 1 less pictorially and as subtraction number sentences.

 Objective: Solve put together/take apart with addend unknown math stories.

 Objective: Solve take from with change unknown math stories with drawings.

 Objective: Solve add to with change unknown math stories with drawings, relating addition and subtraction.

 Objective: Count on using the number path to find an unknown part.

 Objective: Count on using the number path to find an unknown part.

 Objective: Apply the commutative property to count on from a larger addend.

 Objective: Count on up to 3 more using numeral and 5group cards and fingers to track the change.

 Objective: Count on up to 3 more using numeral and 5group cards and fingers to track the change.

 Objective: Solve add to with change unknown math stories using 5group cards.

 Objective: Solve add to with change unknown math stories as a context for counting on by drawing, writing equations, and making statements of the solution.

 Objective: Solve put together with result unknown math stories by drawing and using 5group cards.

 Objective: Solve add to with result unknown and put together with result unknown math stories by drawing, writing equations, and making statements of the solution.

 Objective: Represent put together situations with number bonds. Count on from one embedded number or part to totals of 8 and 9 and generate all expressions for each total.